/*
 * Copyright (c) 2019-2023 Beijing Hanwei Innovation Technology Ltd. Co. and
 * its subsidiaries and affiliates (collectly called MKSEMI).
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form, except as embedded into an MKSEMI
 *    integrated circuit in a product or a software update for such product,
 *    must reproduce the above copyright notice, this list of conditions and
 *    the following disclaimer in the documentation and/or other materials
 *    provided with the distribution.
 *
 * 3. Neither the name of MKSEMI nor the names of its contributors may be used
 *    to endorse or promote products derived from this software without
 *    specific prior written permission.
 *
 * 4. This software, with or without modification, must only be used with a
 *    MKSEMI integrated circuit.
 *
 * 5. Any software provided in binary form under this license must not be
 *    reverse engineered, decompiled, modified and/or disassembled.
 *
 * THIS SOFTWARE IS PROVIDED BY MKSEMI "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL MKSEMI OR CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "mk_uart.h"
#include "mk_trace.h"
#include "mk_reset.h"
#include "mk_calib.h"
#include "mk_wdt.h"
#include "mk_misc.h"
#include "mk_power.h"
#include "mk_flash.h"
#include "libc_rom.h"

#include "board.h"

/*
 * button 1 is the wakeup source
 */

static void button_debounce_timeout_handler(void *id, uint32_t count)
{
    LOG_INFO(TRACE_MODULE_APP, "Debounce timer stop\r\n");
    power_mode_clear(POWER_UNIT_TIMER);
    if (gpio_pin_get_val(BOARD_SW_1))
    {
        return;
    }

    board_led_on(BOARD_LED_2);
    delay_us(100000);
    board_led_off(BOARD_LED_2);
}

static void button_press_handler(enum IO_PIN_T pin)
{
    if (pin == BOARD_SW_1)
    {
        // start a 10ms timer
        mac_timer_open(button_debounce_timeout_handler);
        mac_timer_start(__MS_TO_TICKS(10));
        LOG_INFO(TRACE_MODULE_APP, "Debounce timer start\r\n");
        power_mode_request(POWER_UNIT_TIMER, POWER_MODE_SLEEP);
    }
}

int main(void)
{
    board_clock_run();
    board_pins_config();
    board_debug_console_open(TRACE_PORT_UART0);
    // Reset reason
    reset_cause_get();
    reset_cause_clear();

    // Chip calibration
    calib_chip();

    // Disable watchdog timer
    wdt_close(WDT_ID0);

    flash_close(FLASH_ID0);

    LOG_INFO(TRACE_MODULE_APP, "Sleep example\r\n");

    gpio_open();
    board_led_init();
    board_button_init(button_press_handler);
    board_configure();

    // for debounce detection
    mac_timer_open(button_debounce_timeout_handler);

    power_init();
    power_mode_request(POWER_UNIT_APP, POWER_MODE_DEEP_POWER_DOWN);

    while (1)
    {
        power_manage();
    }
}